Fuel Selector Valve Assy. – Dukes PN#492-239 By JT Evans | October 3, 2013 - 3:29 pm |May 5, 2023 Inquiry, Sales - Piper Parts Fuel Selector Valve Assy. – Dukes PN#492-239 List: $2930.52 As of 07/01/2013 Click Images to Enlarge: Tagged 492-239, Fuel Selector Valve Assy. - Dukes, PA 31-350, Valve. Bookmark the permalink.